Pick up the patch from the community. fc8a0985c2846292312556cba10b8a4182f55967 From: Hanumath Prasad <hanumath.prasad@xxxxxxxxxxxxxx> Date: Tue, 10 Aug 2010 18:01:45 -0700 Subject: [REVIEW 2/2] mmc: only set blockaddressed for > 2GiB cards A non-zero value of SEC_COUNT does not indicate that the card is sector addressed. According to the MMC specification, cards with a densitygreater than 2GiB are sector addressed. Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxxxxxx> Signed-off-by: Hanumath Prasad <hanumath.prasad@xxxxxxxxxxxxxx> Signed-off-by: Rabin Vincent <rabin.vincent@xxxxxxxxxxxxxx> Cc: <linux-mmc@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Richard Zhu <r65037@xxxxxxxxxxxxx> drivers/mmc/core/mmc.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) ENGR0000137838 SDHCI Some eMMC cards can't work well in our BSP sha : ce733e353d0ac82c9a607b708f7de2b214408445 local branch is : imx_2.6.35 remote_branch : origin/imx_2.6.35 branch_start : v2.6.35.3 review-commits last updated 2010-12-31 13:49 /home/r65037/bin/linux-infra/tools/review-commits d33ca02dca1624e86b1513e7bb7cce7281cd9590 don't generate pkg for linux-2.6-testbu ild for cherry-pick experiment git version 1.6.3.3 Running checkpatch.pl: total: 0 errors, 0 warnings, 10 lines checked Your patch has no obvious style problems and is ready for submission. checking header of ce733e3: ENGR0000137838 SDHCI Some eMMC cards can't work well in our BSP check header: PASS Checking kernel paths: PASS review-commits: PASS ============================================= diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 4a9e2ed..95e13c2 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -222,7 +222,9 @@ static int mmc_read_ext_csd(struct mmc_card *card) ext_csd[EXT_CSD_SEC_CNT + 1] << 8 | ext_csd[EXT_CSD_SEC_CNT + 2] << 16 | ext_csd[EXT_CSD_SEC_CNT + 3] << 24; - if (card->ext_csd.sectors) + + /* Cards with density > 2GiB are sector addressed */ + if (card->ext_csd.sectors > (2u * 1024 * 1024 * 1024) / 512) mmc_card_set_blockaddr(card); } -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
